.first-grade-title{
    margin-left: 1000px;
    font-size: 24px;
}
.first-grade-more{
    margin-left: 700px;
    font-size: 18px;
}

.second-grade-title{
    margin-right: 50px;
    font-size: 18px;
}

.content-second-grade{
    padding-top:10px;
    padding-left: 900px;
}